import React, { useState } from 'react';
import { useTranslation } from 'react-i18next';
import LoginForm from './LoginForm';
import RegisterForm from './RegisterForm';
import AnimatedBackground from './AnimatedBackground';
import LanguageSwitcher from './LanguageSwitcher';
import './AuthContainer.css';

const AuthContainer = () => {
  const { t } = useTranslation();
  const [isLogin, setIsLogin] = useState(true);

  const switchMode = () => {
    setIsLogin(!isLogin);
  };

  // Check for mock authentication
  const isAuthenticated = !!localStorage.getItem('mockAuthToken');
  const user = isAuthenticated ? JSON.parse(localStorage.getItem('mockUser') || '{}') : null;

  // If user is already authenticated, show a welcome message
  if (isAuthenticated && user) {
    return (
      <div className="auth-wrapper">
        <AnimatedBackground />
        <LanguageSwitcher />
        <div className="auth-container">
          <div className="auth-card">
            <div className="auth-header">
              <h2 className="auth-title">
                {t('auth.welcomeBack')}, {user.name}!
              </h2>
              <p className="auth-subtitle">
                {t('auth.alreadyLoggedIn')}
              </p>
            </div>
          </div>
        </div>
      </div>
    );
  }

  return (
    <div className="auth-wrapper">
      <AnimatedBackground />
      <LanguageSwitcher />
      <div className="auth-container">
        <div className="auth-card">
          <div className="auth-header">
            <h2 className="auth-title">
              {isLogin ? t('auth.welcomeBack') : t('auth.createAccount')}
            </h2>
            <p className="auth-subtitle">
              {isLogin
                ? t('auth.loginSubtitle')
                : t('auth.registerSubtitle')
              }
            </p>
          </div>
          
          {isLogin ? (
            <LoginForm switchMode={switchMode} />
          ) : (
            <RegisterForm switchMode={switchMode} />
          )}
          
          <div className="auth-footer">
            <div className="divider">
              <span>{t('auth.divider')}</span>
            </div>
            
            <div className="social-auth">
              <button className="social-btn google-btn">
                <svg width="20" height="20" viewBox="0 0 24 24" fill="none">
                  <path d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z" fill="#4285F4"/>
                  <path d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z" fill="#34A853"/>
                  <path d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z" fill="#FBBC05"/>
                  <path d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z" fill="#EA4335"/>
                </svg>
                {t('socialAuth.googleButton')}
              </button>
              
              <button className="social-btn github-btn">
                <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor">
                  <path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/>
                </svg>
                {t('socialAuth.githubButton')}
              </button>
            </div>
          </div>
        </div>
      </div>
    </div>
  );
};

export default AuthContainer;